Eco-design and Validation of In-Wheel Concept
for Electric Vehicles

Eunice Project


The design, development and validation of a complete in wheel motor assembly prototype (electric motor, power electronics, reduction gear, structural parts and wheel), based on a McPherson corner suspension topology, to meet the defined car top level specifications (*)


  • Motor efficiency map improvement based on real representative driving cycle (mix of USA-FTP75 – USA Highway – NEDC, total 100 Km) not on peak efficiency
  • Air cooling, integration simplicity. Air cooling is a very challenging target, and offers market penetration competitive advantages
  • Power electronics integrated in the motor cover with cooling capabilities
  • Rotor. Polymeric composite with assembled magnets able to withstand high rotation velocity.
  • Effective integration of gearbox oil circuit to remove heat generated in the motor stator.




Union Europea

This project has received funding from the European Union’s Seventh Programme for research, technological
development and demonstration under grant agreement No. 285688

Tecnalia Pinifarina MM CIE Automotive DENN IVL Infineon AIC AIT Maxion Evo CLEPA GKN DRIVELINE ZUMAIA S.A.

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